Lab Get familiar with JBuilder

public class firstprogram
{ public static void main (String[]args)
{
System.out.println("hello!! world!!");
System.out.println("welcome to JAVA");
System.out.println("Let's demonstrate a caculation");
int answer;
answer = 3 + 2;
System.out.println("3 PLUS 2 answer:"+ answer);
}
}